/* ===========================
   リセット & ベース
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red:        #c0272d;
  --red-dark:   #8b0000;
  --red-light:  #e05555;
  --silver:     #b8b8c8;
  --white:      #f0ede8;
  --bg:         #0e0c0c;
  --bg-card:    #1a1618;
  --bg-dark:    #130f10;
  --border:     rgba(192, 39, 45, 0.3);
  --font-serif: 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ===========================
   免責バナー
=========================== */
.disclaimer-bar {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(30, 20, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 180, 50, 0.3);
  color: #f0c060;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 0.45rem 1rem;
  line-height: 1.5;
}

/* ===========================
   ナビゲーション
=========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 12, 12, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--red-light);
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.nav-logo:hover {
  color: var(--white);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--silver);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* ===========================
   ヒーロー
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 96px; /* navbar 60px + disclaimer ~36px */
}

/* 和紙テクスチャ風背景 */
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 50%, rgba(139, 0, 0, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(192, 39, 45, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* 縦線装飾 */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border) 20%, var(--border) 80%, transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.hero-catch {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--red-light);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}

.name-ruby {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--silver);
  margin-bottom: 0.2rem;
}

.hero-greeting {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--red-light);
  margin-bottom: 1.25rem;
  letter-spacing: 0.1em;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--silver);
  line-height: 1.9;
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.7rem 1.8rem;
  border-radius: 2px;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  font-weight: 400;
  transition: all 0.25s;
  display: inline-block;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border: 1px solid var(--red);
}

.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 39, 45, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(240, 237, 232, 0.3);
}

.btn-secondary:hover {
  border-color: var(--white);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 460px;
}

/* 赤いフレーム装飾 */
.hero-image-wrap::before {
  content: '';
  position: absolute;
  top: -12px;
  right: -12px;
  bottom: 12px;
  left: 12px;
  border: 1px solid var(--red-dark);
  z-index: 0;
  pointer-events: none;
}

.hero-image-wrap::after {
  content: '侍';
  position: absolute;
  bottom: -2rem;
  right: 0;
  font-family: var(--font-serif);
  font-size: 5rem;
  color: rgba(192, 39, 45, 0.08);
  letter-spacing: 0;
  pointer-events: none;
  line-height: 1;
}

.hero-image {
  position: relative;
  z-index: 1;
  width: 100%;
  /* 背景が白なので自然に馴染むように */
  mix-blend-mode: lighten;
  opacity: 0.92;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--red);
  font-size: 1rem;
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===========================
   共通セクション
=========================== */
.section {
  padding: 6rem 2rem;
}

.section-dark {
  background: var(--bg-dark);
}

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3.5rem;
  letter-spacing: 0.15em;
  position: relative;
}

.section-title span {
  position: relative;
  display: inline-block;
  padding: 0 2rem;
}

.section-title span::before,
.section-title span::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--red);
}

.section-title span::before { right: 100%; }
.section-title span::after  { left:  100%; }

/* ===========================
   プロフィール
=========================== */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.profile-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.profile-table th {
  padding: 0.9rem 1rem 0.9rem 0;
  text-align: left;
  font-weight: 400;
  color: var(--silver);
  white-space: nowrap;
  width: 6em;
  letter-spacing: 0.08em;
}

.profile-table td {
  padding: 0.9rem 0;
  font-weight: 400;
}

.profile-story-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--red-light);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.profile-story p {
  font-size: 0.93rem;
  color: var(--silver);
  line-height: 1.9;
}

.profile-quote {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--red);
  background: rgba(192, 39, 45, 0.07);
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--white);
  line-height: 1.7;
  letter-spacing: 0.04em;
}

/* ===========================
   活動内容
=========================== */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.activity-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(192, 39, 45, 0.2);
}

.activity-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.activity-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}

.activity-card p {
  font-size: 0.88rem;
  color: var(--silver);
  line-height: 1.8;
}

/* ===========================
   スケジュール
=========================== */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.schedule-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.5rem 2rem;
  transition: border-color 0.2s;
}

.schedule-item:hover {
  border-color: var(--red);
}

.schedule-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.schedule-month {
  font-size: 0.75rem;
  color: var(--silver);
  letter-spacing: 0.1em;
}

.schedule-day {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--red-light);
  line-height: 1;
}

.schedule-detail {
  flex: 1;
}

.schedule-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.2rem 0.7rem;
  background: var(--red-dark);
  color: var(--white);
  margin-bottom: 0.4rem;
}

.schedule-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.2rem;
}

.schedule-time {
  font-size: 0.85rem;
  color: var(--silver);
}

.schedule-note {
  font-size: 0.82rem;
  color: var(--silver);
  text-align: center;
}

.schedule-note a {
  color: var(--red-light);
  text-decoration: underline;
}

/* ===========================
   グッズ
=========================== */
.goods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.goods-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.75rem 2rem;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.goods-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(192, 39, 45, 0.2);
  border-color: var(--red);
}

.goods-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.goods-label {
  font-size: 0.75rem;
  color: var(--red-light);
  letter-spacing: 0.15em;
  margin-bottom: 0.3rem;
}

.goods-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.goods-link {
  font-size: 0.82rem;
  color: var(--silver);
}

/* ===========================
   リンク
=========================== */
.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  min-width: 200px;
  justify-content: center;
}

.link-card:hover {
  transform: translateY(-3px);
  border-color: var(--red);
  box-shadow: 0 8px 24px rgba(192, 39, 45, 0.25);
}

.link-icon {
  font-size: 1.3rem;
  font-weight: 700;
}

/* ===========================
   フッター
=========================== */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.footer-greeting {
  color: var(--red-light);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.footer-disclaimer {
  font-size: 0.78rem;
  color: #f0c060;
  opacity: 0.7;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(184, 184, 200, 0.5);
  letter-spacing: 0.05em;
}

/* ===========================
   フェードインアニメーション
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::after {
  transform: scaleX(1);
}

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 3rem 1.5rem 5rem;
    text-align: center;
  }

  .hero-text {
    order: 2;
  }

  .hero-visual {
    order: 1;
  }

  .hero-desc {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero::before {
    display: none;
  }

  .profile-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-title span::before,
  .section-title span::after {
    width: 20px;
  }

  .schedule-item {
    padding: 1.25rem 1.25rem;
  }
}